L.A. Vainshtein and U.I. Safronova 1978, ADNDT 21, 49 "Wavelengths and Transition Probabilities of Satellites to Resonance Lines of H- and He-like Ions" Table V He-like ion: Z= 9 lower level upper level lambda(A) Qd(1/s) Ar(1/s) Aa(1/s) Branching-ratio 1s2p 3P 1.0 2p2p 1S .0 14.925 4.55E+07 6.20E+07 1.60E+13 2.84E-06 1s2s 3S 1.0 2s2p 1P 1.0 14.993 1.28E+09 4.36E+08 2.03E+14 2.11E-06 1s2p 1P 1.0 2p2p 1S .0 15.036 4.26E+12 5.81E+12 1.60E+13 2.66E-01 1s2s 1S .0 2s2p 1P 1.0 15.158 1.16E+13 3.93E+12 2.03E+14 1.90E-02 1s2p 3P 1.0 2p2p 1D 2.0 15.171 8.89E+07 1.81E+07 3.73E+14 4.76E-08 1s2p 3P 2.0 2p2p 1D 2.0 15.174 3.15E+10 6.43E+09 3.73E+14 1.69E-05 1s2s 3S 1.0 2s2p 3P 2.0 15.221 1.48E+13 3.77E+12 1.36E+13 2.17E-01 1s2s 3S 1.0 2s2p 3P 1.0 15.225 8.86E+12 3.77E+12 1.37E+13 2.16E-01 1s2s 3S 1.0 2s2p 3P .0 15.226 2.95E+12 3.77E+12 1.36E+13 2.16E-01 1s2p 3P 1.0 2p2p 3P 2.0 15.244 4.95E+11 1.89E+12 4.18E+11 2.37E-01 1s2p 3P 2.0 2p2p 3P 2.0 15.246 1.48E+12 5.66E+12 4.18E+11 7.10E-01 1s2p 3P 1.0 2p2p 3P .0 15.248 2.87E+10 7.55E+12 2.88E+10 9.96E-01 1s2p 1P 1.0 2p2p 1D 2.0 15.286 3.72E+13 7.59E+12 3.73E+14 1.99E-02 1s2p 1P 1.0 2p2p 3P 2.0 15.359 1.17E+09 4.47E+09 4.18E+11 5.60E-04 1s2p 1P 1.0 2p2p 3P .0 15.364 4.58E+06 1.21E+09 2.88E+10 1.59E-04 1s2s 1S .0 2s2p 3P 1.0 15.395 9.74E+08 4.14E+08 1.37E+13 2.38E-05 1s2p 3P 1.0 2s2p 1S .0 15.436 3.04E+09 3.05E+09 3.46E+14 8.79E-06 1s2p 1P 1.0 2s2p 1S .0 15.554 1.59E+12 1.59E+12 3.46E+14 4.59E-03